﻿<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>jsGrid - Loading Data by Page Scenario</title>
    <link rel="stylesheet" type="text/css" href="demos.css"/>
    <link href='http://fonts.googleapis.com/css?family=Open+Sans:300,600,400' rel='stylesheet' type='text/css'>

    <link rel="stylesheet" type="text/css" href="../css/jsgrid.css"/>
    <link rel="stylesheet" type="text/css" href="../css/theme.css"/>

    <script src="../external/jquery/jquery-1.8.3.js"></script>
    <script src="db.js"></script>

    <script src="../src/jsgrid.core.js"></script>
    <script src="../src/jsgrid.load-indicator.js"></script>
    <script src="../src/jsgrid.load-strategies.js"></script>
    <script src="../src/jsgrid.sort-strategies.js"></script>
    <script src="../src/jsgrid.field.js"></script>
    <script src="../src/fields/jsgrid.field.text.js"></script>
    <script src="../src/fields/jsgrid.field.number.js"></script>
    <script src="../src/fields/jsgrid.field.select.js"></script>
    <script src="../src/fields/jsgrid.field.checkbox.js"></script>

    <style>
        .pager-panel {
            padding: 10px;
            margin: 10px 0;
            background: #fcfcfc;
            border: 1px solid #e9e9e9;
            display: inline-block;
        }
    </style>
</head>
<body>
<h1>Loading Data by Page</h1>
<div class="pager-panel">
    <label>Page:
        <select id="pager">
            <option>1</option>
            <option selected>2</option>
            <option>3</option>
            <option>4</option>
            <option>5</option>
            <option>6</option>
            <option>7</option>
        </select>
    </label>
</div>

<div id="jsGrid"></div>

<script>
    $(function () {

        $("#jsGrid").jsGrid({
            height: "70%",
            width: "100%",
            autoload: true,
            paging: true,
            pageLoading: true,
            pageSize: 15,
            pageIndex: 2,
            controller: {
                loadData: function (filter) {
                    var startIndex = (filter.pageIndex - 1) * filter.pageSize;
                    return {
                        data: db.clients.slice(startIndex, startIndex + filter.pageSize),
                        itemsCount: db.clients.length
                    };
                }
            },
            fields: [
                {name: "Name", type: "text", width: 150},
                {name: "Age", type: "number", width: 50},
                {name: "Address", type: "text", width: 200},
                {name: "Country", type: "select", items: db.countries, valueField: "Id", textField: "Name"},
                {name: "Married", type: "checkbox", title: "Is Married"}
            ]
        });

        $("#pager").on("change", function () {
            var page = parseInt($(this).val(), 10);
            $("#jsGrid").jsGrid("openPage", page);
        });

    });
</script>
</body>
</html>
